Q & A: How can anything come from a black hole?

“Consideration of particle emission from black holes would seem to suggest that God not only plays dice, but also sometimes throws them where they cannot be seen.” –Stephen Hawking Last week, I wrote about how high-energy cosmic rays strike Earth’s atmosphere and wind up bombarding everything on Earth’s surface with super-fast moving particles, some of … Read moreQ & A: How can anything come from a black hole?

Orbiting Earth 101: What You’d See / What You’d Do

“I saw for the first time the earth’s shape. I could easily see the shores of continents, islands, great rivers, folds of the terrain, large bodies of water. The horizon is dark blue, smoothly turning to black. . . the feelings which filled me I can express with one word–joy.” –Yuri Gagarin It takes a … Read moreOrbiting Earth 101: What You’d See / What You’d Do